.product-detail{max-width:920px;margin:3rem auto;padding:0 1.25rem;color:#30332d;line-height:1.7}.product-detail .product-intro{padding:1.5rem 1.75rem;background:#f5f2ea;border-left:4px solid #d7825a;border-radius:14px;margin-bottom:2.5rem}.product-detail h2{font-size:clamp(1.35rem,2vw,1.8rem);margin:2.3rem 0 1rem;color:#3d4137}.product-detail .feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.product-detail .feature-card{padding:1.35rem 1.5rem;border:1px solid #e4e1d8;border-radius:16px;background:#faf9f5}.product-detail .feature-card h3{font-size:1.08rem;margin:0 0 .45rem;color:#9c5237}.product-detail .feature-card p{margin:0}.product-detail .use-steps{counter-reset:ev-step;list-style:none;padding:0;display:grid;gap:.85rem}.product-detail .use-steps li{counter-increment:ev-step;position:relative;padding:1rem 1rem 1rem 3.4rem;border-radius:14px;background:#f5f2ea}.product-detail .use-steps li:before{content:counter(ev-step,decimal-leading-zero);position:absolute;left:1rem;top:1rem;color:#9c5237;font-weight:700;letter-spacing:.05em}.product-detail .care-note{margin:2.5rem 0;padding:1.5rem 1.75rem;border:1px solid #d8dfd1;border-radius:16px;background:#f2f5ef}.product-detail .care-note h2{margin-top:0}.product-detail .care-note p{margin-bottom:0}.product-detail table{width:100%;border-collapse:collapse}.product-detail th,.product-detail td{padding:.75rem;border-bottom:1px solid #e4e1d8;text-align:left}@media(max-width:640px){.product-detail{margin:2rem auto;padding:0 1rem}.product-detail .feature-grid{grid-template-columns:1fr}.product-detail .product-intro,.product-detail .care-note{padding:1.15rem}.product-detail h2{margin-top:1.8rem}}